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  2. Common blackbird - Wikipedia

    en.wikipedia.org/wiki/Common_blackbird

    The common blackbird, unlike many black creatures, is not normally seen as a symbol of bad luck, [61] but R. S. Thomas wrote that there is "a suggestion of dark Places about it", [65] and it symbolised resignation in the 17th century tragic play The Duchess of Malfi; [66] an alternate connotation is vigilance, the bird's clear cry warning of ...

  3. Bird egg - Wikipedia

    en.wikipedia.org/wiki/Bird_egg

    Birds which build in trees generally have blue or greenish eggs, either spotted or unspotted, while birds that build in bushes or near or on the ground are likely to lay speckled eggs. The color of individual eggs is also genetically influenced, and appears to be inherited through the mother only, suggesting the gene responsible for ...

  4. Ani (bird) - Wikipedia

    en.wikipedia.org/wiki/Ani_(bird)

    A number of females lay their eggs in the nest and then share incubation and feeding. The anis are large black birds with a long tail and a deep ridged black bill. Their flight is weak and wobbly, but they run well, and usually feed on the ground. These are very gregarious species, always found in noisy groups.

  5. Brewer's blackbird - Wikipedia

    en.wikipedia.org/wiki/Brewer's_blackbird

    Eggs are usually a tan color with darker speckles throughout to allow for camouflage. [8] The female bird primarily incubates for 12–14 days. [5] The chicks leave the nest only 2 weeks after hatching. [5] Nests are not built in isolation, but in colonies of up to 30 pairs. [5] Pairs prefer to nest in areas that are around 20–40' in treetops.

  6. Black-necked grebe - Wikipedia

    en.wikipedia.org/wiki/Black-necked_grebe

    The eggs measure 45 by 30 millimetres (1.8 by 1.2 in) on average and are incubated by both parents for about 21 days. [27] The laying date of the eggs is somewhat synchronised, with birds in small colonies having the laying dates spread out by just a few days, compared to large colonies, where the laying date is spread out over more than 10 days.

  7. Black vulture - Wikipedia

    en.wikipedia.org/wiki/Black_vulture

    The black vulture is a scavenger and feeds on carrion, but will also eat eggs, small reptiles, or small newborn animals (livestock such as cattle, or deer, rodents, rabbits, etc.), albeit very rarely. They will also opportunistically prey on extremely weakened, sick, elderly, or otherwise vulnerable animals.

  8. Brown-headed cowbird - Wikipedia

    en.wikipedia.org/wiki/Brown-headed_cowbird

    The brown-headed cowbird is an obligate brood parasite; it lays its eggs in the nests of other small passerines (perching birds), particularly those that build cup-like nests. The brown-headed cowbird eggs have been documented in nests of at least 220 host species, including hummingbirds and raptors.

  9. Icterid - Wikipedia

    en.wikipedia.org/wiki/Icterid

    The nesting habits of these birds are also variable, including pendulous woven nests in the oropendolas and orioles. Many icterids are colonial, nesting in colonies of up to 100,000 birds. Some cowbird species engage in brood parasitism; females lay their eggs in the nests of other species, in a similar fashion to some cuckoos. [3]